Antenna



FIG. 1 is a front perspective view of an antenna illustrating a first embodiment of my new design;

FIG. 2 is a front view thereof,

FIG. 3 is a back view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a rear perspective view thereof;

FIG. 8 is a front perspective view of an antenna illustrating a second embodiment of our new design;

FIG. 9 is a front view thereof;

FIG. 10 is a back view thereof,

FIG. 11 is a top view thereof;

FIG. 12 is a left side view thereof;

FIG. 13 is a right side view thereof; and,

FIG. 14 is a rear perspective view thereof. 

CLAIM The ornamental design for an antenna, as shown and described. 